DE602005015584D1 - Method and apparatus for the selection of delay values ​​for a rake receiver - Google Patents

Method and apparatus for the selection of delay values ​​for a rake receiver

Info

Publication number
DE602005015584D1
DE602005015584D1 DE200560015584 DE602005015584T DE602005015584D1 DE 602005015584 D1 DE602005015584 D1 DE 602005015584D1 DE 200560015584 DE200560015584 DE 200560015584 DE 602005015584 T DE602005015584 T DE 602005015584T DE 602005015584 D1 DE602005015584 D1 DE 602005015584D1
Authority
DE
Grant status
Grant
Patent type
Prior art keywords
selection
apparatus
method
rake receiver
delay values
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE200560015584
Other languages
German (de)
Inventor
Elias Jonsson
Marten Myrehed
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7113Determination of path profile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70702Intercell-related aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707Efficiency-related aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097Direct sequence modulation interference
    • H04B2201/709727GRAKE type RAKE receivers
DE200560015584 2005-09-01 2005-09-01 Method and apparatus for the selection of delay values ​​for a rake receiver Active DE602005015584D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20050388069 EP1760901B1 (en) 2005-09-01 2005-09-01 Method and apparatus for selecting delay values for a RAKE receiver

Publications (1)

Publication Number Publication Date
DE602005015584D1 true DE602005015584D1 (en) 2009-09-03

Family

ID=35597972

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200560015584 Active DE602005015584D1 (en) 2005-09-01 2005-09-01 Method and apparatus for the selection of delay values ​​for a rake receiver

Country Status (4)

Country Link
US (1) US8064497B2 (en)
EP (1) EP1760901B1 (en)
CN (1) CN101300745A (en)
DE (1) DE602005015584D1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4448403B2 (en) * 2004-08-16 2010-04-07 富士通株式会社 Power level measuring device and the mobile station
US7453855B1 (en) * 2005-12-08 2008-11-18 Meru Networks Multiuser detection and interference suppression techniques for direct sequence spread spectrum systems in which all users employ same spreading code
KR101061067B1 (en) * 2008-10-27 2011-08-31 한국전자통신연구원 Individual receiving power calculating apparatus and method using the identification signal
US7994982B2 (en) * 2009-06-12 2011-08-09 Raytheon Company Method and apparatus for bounded time delay estimation
US8842781B2 (en) * 2010-02-15 2014-09-23 Intel Mobile Communications GmbH Device and method for selecting a path from an estimated delay profile of a radio signal
CN102572894B (en) * 2011-12-30 2014-09-03 华为技术有限公司 Method and device for selecting interference cells

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2737362B1 (en) * 1995-07-25 1997-10-10 Matra Communication A method for selecting propagation delays retained for receiving messages transmitted by radio SPREAD SPECTRUM
JP2751959B2 (en) * 1996-07-15 1998-05-18 日本電気株式会社 Reception timing detection circuit of Cdma reception apparatus
JP3492177B2 (en) * 1997-12-15 2004-02-03 松下電器産業株式会社 Cdma system mobile communication device
US6731622B1 (en) 1998-05-01 2004-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Multipath propagation delay determining means using periodically inserted pilot symbols
EP1089452A1 (en) * 1999-09-28 2001-04-04 Lucent Technologies Inc. Fractional sample timing error estimation for W-CDMA
US7043273B2 (en) * 2002-01-15 2006-05-09 Telefonaktiebolaget Lm Ericsson (Publ) Diversity branch delay alignment in radio base station
JP4052060B2 (en) * 2002-08-21 2008-02-27 日本電気株式会社 Cdma wireless devices and the simple path estimating method used therefor
US20040042411A1 (en) * 2002-08-30 2004-03-04 Erik Dahlback Method and apparatus for controlling the rate of path searching in a communications system
US20040066841A1 (en) * 2002-09-23 2004-04-08 Elias Jonsson Systems, methods of operating, and computer program products for selecting delays for a rake receiver based on signal to interference ratios and/or powers
EP1609316A4 (en) 2003-03-13 2007-01-24 Interdigital Tech Corp Wireless communication method and system for assigning multi-paths to rake receiver fingers
WO2004107597A1 (en) * 2003-05-27 2004-12-09 Telefonaktiebolaget L M Ericsson (Publ) Averaging a delay profile in a limited delay range
US7469024B2 (en) 2003-09-02 2008-12-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for finger placement in rake receiver
US8964912B2 (en) * 2005-05-31 2015-02-24 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive timing recovery via generalized RAKE reception

Also Published As

Publication number Publication date Type
CN101300745A (en) 2008-11-05 application
EP1760901B1 (en) 2009-07-22 grant
US8064497B2 (en) 2011-11-22 grant
US20090041163A1 (en) 2009-02-12 application
EP1760901A1 (en) 2007-03-07 application

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Legal Events

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